Stenciling devices



Feb. 17, 1959 s. N. ROSENTHAL 2,873,464

STENCILING DEVICES Filed March 19, 1956 INVENTOR.

SIDIEY N. ROSENTHAL BY ATTORNEYS United States Patent STENCILING DEVICESSidney N. Rosenthal, Richmond Hill, N. Y. Application March 19, 1956,Serial No. 572,519

1 Claim. (Cl. 15-409) This invention relates to stenciling nibs.

It is an object of my invention to provide a stenciling nib which can beoperated by a sliding motion of the arm and which will contain ink andbe completely clean in operation.

A further object is to provide a stenciling nib having a stencilingmarking surface formed of an electrically charged nap fabric, charged toprevent the fibers from mating together or to pass under a conventionalstencil sheet and thereby cause ink to flow between the stencil sheetand the object to be marked.

These and other objects of my invention will become apparent uponreading the following description with reference to the appended drawingforming a part thereof.

In this drawing:

Fig. 1 illustrates a fully assembled stenciling nib.

Fig. 2 is a view showing the parts in cross-section.

Fig. 3 is a cross-sectional view of a modified form of stenciling nib.

Figs. 1 and 2 show a nib which consists of a handle and a head 39. Thehead comprises a base 40 surrounded by threaded flanges 41. This baseand flange unit may be formed of an ordinary threaded bottle cap ifdesired, or in the alternative, may be formed with a large base 40 witha threaded flange secured to the top thereof. A handle 42 is threadedlyengaged, by means of a threaded portion 43 formed on the handle, withthe threaded portions 41. Thus, the handle may be removed from the headwhen the head is worn out, and the head may be thrown away, and therebyreplaced with a new head.

The underside of the base is covered with a layer of blotting material45, which may be of ordinary blotting paper. Next, beneath the blottingmaterial is positioned a felt pad 46, which in turn, is covered with anapped fabric 47 which is tautly drawn over the felt and tightly securedto the base 40.

To secure the napped fabric 47 tightly over the felt 46, a retainingring 48, which may be of a lightweight aluminum or of any other circularor otherwise shaped ring, is forced over the nap material to hold thematerial between the ring and the flanges of the base 40.

The napped material may be formed of mohair which is a fabric comprisingangora hairs woven into a nylon or similar type fabric base material. Ithas been found that mohair is ideally suited for this type of work andfunctions ideally in this position. However, other types of nappedmaterial may likewise be found to be satisfactory. The napped materialis electrostatically or electrically charged so that the individualhairs forming the nap tend to repel one another and to stand up straightnormally away from the surface of the fabric. The method of so treatingthe fabric is well known in the fur processing arts. Thus, when thefabric is rubbed over the stencil and article to be stenciled, theindividual hairs of the nap tend to remain rigid and straight, and willnot pass underneath the stencil to thereby smudge the ink formed on theobject. In addition, the nap is cut quite 2,873,464 Patented Feb. 17,1959 2 short to further insure that the hairs will not tend to mat orpass underneath the stencil.

In operation, the handle ofthe nib is grasped by the user and the nib isrubbed by a forearm motion .over the surface of the conventional stenciland across the object tobe marked where it appears through the holes cutin the stencil. This forearm motion eliminates the tiring wrist motionwhich conventionally is required in the use of the conventional type ofstenciling brushes.

The pressure upon the napped fabric 47 causes ink to flow through thisfabric upon the object to be marked. The ink is derived from the feltpad where it is stored and flows from the felt pad through the mohair orother fabric material. However, if too much pressure is applied and toomuch ink would tend to flow thereby, the ink, instead of flowing throughthe fabric, tends to flow back into the blotter which then acts as anauxiliary storing means. Thus, the blotting material 45 functions as asafety valve to absorb ink where too much ink is released from the feltbecause of excess pressure. Thus, even though heavy pressure is appliedto the stencil, the ink will still flow at a controlled rate, and therewill be no blotting or excess ink formed upon the object to be marked. 7

Fig. 3 illustrates in cross-sectional view a modified nib whose handleis hollow to contain ink. The head 49 comprises a base 50 having athreaded flange 51 into which is threaded a hollow handle 52 having ahollow central interior 53 provided with a felt wick 54 surrounded by alight coil spring to prevent the wick from falling out of a verticalposition or otherwise bunching up within the hollow interior of thehandle 52. In order to supply ink to the wick within the handle, the topof the handle is formed as a threaded cap 56 threadedonto the remainderof the handle. Thus, the top may be unthreaded and ink may be pouredinto the handle, whereupon the cap is replaced.

The bottom of the base is provided with a felt pad 58 similar inoperation to the felt pad 46 of Fig. 2. This felt pad is communicatedwith the interior of the hollow handle 52 by means of openings 57 formedin the base 50.

This felt pad is covered with a napped fabric 59 which is tightlysecured to the base by means of a retaining ring 60 in the same manneras that described in the above modification.

The operation of this device is similar to that previous ly describedwith the exception that this device may be a self ink storing unit, orin the alternative, may be used in the same manner as the previousmodification,

This invention may be further modified within the scope of the attachedclaim, and accordingly, it is de sired that the foregoing description beread as being merely illustrative of an operative embodiment of myinvention, and not in a strictly limiting sense.

Having fully described at least one operative embodiment of myinvention, I now claim:

A stenciling nib for applying ink upon a surface to be stenciled, saidnib comprising a support base having a flat face, an auxiliary inkstoring means in the form of a blotter pad positioned in face to facecontact with the support base face, a primary ink storing means in theform of a felt pad positioned over the blotter pad in face to facecontact therewith, and a napped pile fabric positioned over and in faceto face contact with the felt pad, with its nap exposed, and beingstretched taut around the edge of the base; and means to tightly securesaid pile fabric to the base to hold the pads in position; a handlesecured to the support base opposite to its fiat face for manuallymanipulating the nib and for rubbing the fabric nap against a surface tobe stcnciled; the felt pad primary ink storing means functioning tonormally store ink for stenciling, with the ink passing through the pile,3 fabric to the surface to be stenciled when the fabric is rubbedagainst the surface to be stenciled, and the auxiliary ink storing meansnormally functioning to absorb ink from the felt padwhenexcesspressureis applied between the fabric and the surface to be,stenciled. andto release the ink tothefe1tpad upon, releasepf the excesspressure; and the nap ,of the fabricbeing of individual hairswhichareelectricallycharged sothat they repel ne another and remain normaltothe surface of thefabric, particularly .during contact between .the,fabricand the surface to;be. stenciled.

Refe nce-116M in th 11 1 th s r e UNITED STATES. PATENTS 267,444*Montgomery =Nov. 14, 1882 4 Trimble Aug. 15, 1905 Thomas Aug. '11, I936Woronoff Sept. 21, 1937 Dwofsky Apr. 4, 1939 Mittag Feb. 6, 1940Thauwald Sept. 29, 1942 Roseuthal Apr. 3, 1951 Dressel Dec. 9, 1952FOREIGN PATENTS 'GreatBritain A pr. lO, 1935 Great Britain Apn 31),.1936

